32204223157 has 2 divisors, whose sum is σ = 32204223158. Its totient is φ = 32204223156.

The previous prime is 32204223143. The next prime is 32204223203. The reversal of 32204223157 is 75132240223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19791143761 + 12413079396 = 140681^2 + 111414^2 .

It is an emirp because it is prime and its reverse (75132240223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32204223157 - 2¹⁹ = 32203698869 is a prime.

It is a super-2 number, since 2×32204223157² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32204223127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16102111578 + 16102111579.

It is an arithmetic number, because the mean of its divisors is an integer number (16102111579).

Almost surely, 2^32204223157 is an apocalyptic number.

It is an amenable number.

32204223157 is a deficient number, since it is larger than the sum of its proper divisors (1).

32204223157 is an equidigital number, since it uses as much as digits as its factorization.

32204223157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 32204223157 in words is "thirty-two billion, two hundred four million, two hundred twenty-three thousand, one hundred fifty-seven".